410.212—Conditions of entitlement; child.
        
        (1) 
         Is the child or stepchild (see  § 410.330) of (i) a deceased miner (see  § 410.110(j)) or (ii) of the widow of a miner who was entitled to benefits at the time of her death (see  §§ 410.210 and 410.211 );
    
    
    
    
    
    
        
        (ii) 
         Died before January 1, 1974, and his death is determined to have been due to pneumoconiosis (see subpart D of this part), or
    
    
        
        (iii) 
         Died before January 1, 1974, and it is determined that at the time of his death he was totally disabled by pneumoconiosis (see subpart D of this part).
    
    
        
        (b) 
         A child is not entitled to benefits for any month for which a widow of a miner is entitled to benefits, except that (for purposes of entitlement of a child under this section) a widow is deemed not entitled to benefits in months for which she is not paid benefits because she is married (see  § 410.211 ). Thus, a child may be entitled to benefits for months wherein such benefits are not payable to the widow because of marriage.